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Princeton, Illinois Weather Forecast
Princeton, Illinois Weather
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Weather Forecast for Princeton, Illinois : Bureau County
Issued: 11:46 pm CST Dec 14, 2025 Latitude: 41.3680919 Longitude: -89.4648145 View on Google Maps

MouseOver for Detail Forecast
Overnight Monday Tuesday Wednesday Thursday Friday Saturday Sunday
Blowing Snow on Overnight Blowing Snow on Monday Mostly Sunny on Tuesday Mostly Sunny on Wednesday 60% chance of rain on Thursday Mostly Sunny on Friday Partly Sunny on Saturday Mostly Sunny on Sunday
Low: 5 °F High: 28°F High: 37°F High: 39°F High: 47°F High: 28°F High: 43°F High: 34°F
Low: 16°F Low: 27°F Low: 31°F Low: 8 °F Low: 21°F Low: 23°F  
Blowing Snow Blowing Snow Mostly Sunny Mostly Sunny Rain Mostly Sunny Partly Sunny Mostly Sunny
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Current Conditions at
PERU - (KVYS)
-0°
Cloudy
as of 12:15 AM CST
Rel. Humidity: 77%
Dew Point: -6°F
Visibility: 10 Miles
Pressure: 30.50 in.
Flight Rule: VFR
Wind Data
8 MPH
190° South
Cloud Level(s): Solid Overcast at 8500ft
Current Conditions at
LACON/MARSHALL COUNTY - (KC75)
-2°
Mostly Cloudy
as of 12:18 AM CST
Rel. Humidity: 70%
Dew Point: -9°F
Visibility: 10 Miles
Pressure: 30.51 in.
Flight Rule: VFR
Wind Data
5 MPH
170° South
Cloud Level(s): Broken at 8500ft
Current Conditions at
STERLING ROCK - (KSQI)
Mostly Cloudy
as of 11:56 PM CST
Rel. Humidity: 70%
Dew Point: -6°F
Visibility: 10 Miles
Pressure: 30.51 in.
Flight Rule: VFR
Wind Data
8 MPH
220° Southwest
Cloud Level(s): Broken at 8500ft
Blowing Snow on Overnight Overnight... Patchy blowing snow after 3am. Mostly cloudy, with a temperature rising to around 5 by 5am. Wind chill values as low as -15. South wind 5 to 15 mph, with gusts as high as 20 mph.

Blowing Snow on Monday Monday... Patchy blowing snow. Partly sunny, with a high near 28. Wind chill values as low as -10. Southwest wind 5 to 15 mph, with gusts as high as 30 mph.

Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 16. West wind around 5 mph becoming calm in the evening.

Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 37. South wind 5 to 10 mph, with gusts as high as 20 mph.

Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 27.

Mostly Sunny on Wednesday Wednesday... Mostly sunny, with a high near 39.

40% chance of rain Wednesday Night Wednesday Night... A 40 percent chance of rain after midnight. Mostly cloudy, with a low around 31.

60% chance of rain Thursday Thursday... Rain likely, mainly before noon. Mostly cloudy, with a high near 47. Breezy. Chance of precipitation is 60%.

Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 8. Breezy.

Mostly Sunny on Friday Friday... Mostly sunny, with a high near 28.

Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around 21.

Partly Sunny on Saturday Saturday... Partly sunny, with a high near 43.

Mostly Cloudy on Saturday Night Saturday Night... Mostly cloudy, with a low around 23.

Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 34.

Sun Almanac for Princeton, Illinois
Sunrise: 07:17 AM
Sunset: 4:29 PM
Civil Sunrise:06:46 AM
Civil Sunset: 5:01 PM
Nautical Sunrise: 06:11 AM
Nautical Sunset: 5:35 PM
Astro Sunrise: 05:37 AM
Astro Sunset: 6:09 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.